Radiotelephony basics · Question 10 of 12
What does the Q code "QDM" mean?
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Answer
- B Magnetic heading to the station in zero wind
Explanation
QDM is the magnetic heading to steer to the station in zero wind. QDR is the magnetic bearing from the station to the aircraft, i.e. the reciprocal (QDM ± 180°). QTE is the true bearing from the station, QFE the air pressure at aerodrome elevation.